The film 'American Sniper' has generated controversy for its subject matter. One former Marine Corps sniper says the major takeaway from the film is the need for better mental health services for all soldiers returning from combat.

Actor Bradley Cooper thanks U.S. soldiers in this behind-the-scenes video of his film 'American Sniper', in which he portrays real life Navy SEAL Chris Kyle. He says Kyle was "dynamic and charismatic" and he hopes the film rings true.